/*
 * Copyright (c) 2013, SRI International
 * All rights reserved.
 * Licensed under the The BSD 3-Clause License;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 * 
 * http://opensource.org/licenses/BSD-3-Clause
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the aic-web-praise nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.sri.ai.lpitools.gwtgui.client.components.admin;

import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DockLayoutPanel;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.TextBox;
import com.sri.ai.lpitools.cobra.gwtutil.dataobjects.shared.EvidenceInfo;
import com.sri.ai.lpitools.gwtgui.client.components.editor.EvidenceEditor;
import com.sri.ai.lpitools.gwtgui.client.components.manager.AICManager;
import com.sri.ai.lpitools.gwtgui.client.components.manager.EvidenceManager;
import com.sri.ai.lpitools.gwtgui.client.components.manager.UserManager;

public class EvidencePanel extends SimplePanel {
	
	private EvidenceInfo evidence;
	private UserManager userManager;
	private TextBox evidenceTitleTextBox = new TextBox();
	private TextBox evidenceValueTextBox = new TextBox();
	private EvidenceManager em;
	public EvidencePanel(EvidenceInfo evidence, UserManager userManager, final EvidenceEditor editor, final AdminPanel parent){
		
		Button saveButton = new Button("Save");
		saveButton.addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				saveEvidence(getEvidenceTitle(), getEvidence());
			}
		});
		Button closeButton = new Button("Close");
		closeButton.addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				parent.clearRightPanel();
			}
		});
		evidenceTitleTextBox.setReadOnly(false);
		evidenceValueTextBox.setReadOnly(false);
		Label titleLabel = new Label("Evidence Title:");
		evidenceTitleTextBox.setStyleName("aic-AdminTextBox");
		evidenceValueTextBox.setStyleName("aic-AdminTextBox");
		
		FlexTable editPanel= new FlexTable();
		editPanel.setCellPadding(3);
		editPanel.setCellSpacing(1);
		editPanel.setBorderWidth(1);
		
		FlexCellFormatter fcf = editPanel.getFlexCellFormatter();
		editPanel.setWidget(0, 0, saveButton);
		editPanel.setWidget(5, 25, new Label());
		
		editPanel.setWidget(0, 1, closeButton);
		editPanel.setWidget(1, 0, titleLabel);
		fcf.setColSpan(1,0,5);
		
		editPanel.setWidget(2, 0, evidenceTitleTextBox);
		fcf.setColSpan(2,0,25);

		this.userManager = userManager;
		this.evidence = evidence;

		setEvidenceTitle(evidence.getEvidenceTitle());
		setEvidence(evidence.getEvidence());


		DockLayoutPanel dlp = new DockLayoutPanel(Unit.PX);
		dlp.addNorth(editPanel, 200);

		dlp.add(editor);
		dlp.setSize("500px", "500px");
		add(dlp);
		
	}

	public EvidencePanel(final UserManager userManager, final EvidenceEditor editor,
			final AdminPanel parent, EvidenceManager em) {
		
		this.em = em;
		Button saveButton = new Button("Save");
		saveButton.addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				saveEvidence(getEvidenceTitle(), getEvidence());
				parent.updateUserData();
			}
		});
		Button closeButton = new Button("Close");
		closeButton.addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				parent.clearRightPanel();
			}
		});
		evidenceTitleTextBox.setReadOnly(false);
		evidenceValueTextBox.setReadOnly(false);
		Label titleLabel = new Label("Evidence Title:");
		evidenceTitleTextBox.setStyleName("aic-AdminTextBox");
		evidenceValueTextBox.setStyleName("aic-AdminTextBox");
		
		FlexTable editPanel= new FlexTable();
		editPanel.setCellPadding(3);
		editPanel.setCellSpacing(1);
		
		FlexCellFormatter fcf = editPanel.getFlexCellFormatter();
		editPanel.setWidget(0, 0, saveButton);
		editPanel.setWidget(5, 25, new Label());
		
		editPanel.setWidget(0, 1, closeButton);
		editPanel.setWidget(1, 0, titleLabel);
		fcf.setColSpan(1,0,5);
		
		editPanel.setWidget(2, 0, evidenceTitleTextBox); 
		fcf.setColSpan(2,0,25);
		
		this.userManager = userManager;



		DockLayoutPanel dlp = new DockLayoutPanel(Unit.PX);
		dlp.addNorth(editPanel, 200);
		dlp.add(editor);
		
		dlp.setSize("500px", "500px");
		add(dlp);
		
	}
	public void setEvidenceObject(EvidenceInfo evidence){
		this.evidence = evidence;
		setEvidenceTitle(evidence.getEvidenceTitle());
		setEvidence(evidence.getEvidence());
		em.setActiveModel(evidence, true);
	}

	protected void saveEvidence(String evidenceTitle, String evidence) {
		this.evidence.setEvidence(evidence);
		this.evidence.setEvidenceTitle(evidenceTitle);
		AICManager.saveEvidence(this.evidence, this.userManager);

	}
	public void setEvidenceTitle(String title)
	{
		evidenceTitleTextBox.setText(title);
	}
	
	public void setEvidence(String evidence)
	{
		evidenceValueTextBox.setText(evidence);
	}
	
	public String getEvidence()
	{
		return evidenceValueTextBox.getText();
	}
	
	public String getEvidenceTitle()
	{
		return evidenceTitleTextBox.getText();
	}

}
